Pregnancy--Tests to See If You Are Pregnant: Teen Version: References

Bastian LA, Brown HL. Clinical manifestations and diagnosis of early pregnancy. UpToDate. http://www.uptodate.com/contents/clinical-manifestations-and-diagnosis-of-early-pregnancy. Updated January 4, 2016. Accessed March 2016.

Cunningham F, Leveno K, Bloom S, et al. Williams Obstetrics, 22nd ed. The McGraw Hill Companies, Inc. 2008.

Gibbs R, Karlan B, Haney A, Nygaard I. Danforth’s Obstetrics and Gynecology. 9th ed. Lippincott Williams and Wilkins. 2008.

Katz V, Lentz G, Lobo R, Gershenson D. Comprehensive Gynecology. 6th ed. 2012. Philadelphia: Elsevier Mosby.

Schorge JJ, Schaeffer L, Hoalvorson B, et al. Cunningham Williams Gynecology. 2nd ed. The McGraw Hill Companies, Inc. 2012.

Riley LE, Stark AR, et al, Eds. Guidelines for Perinatal Care. 7th ed. 2012. American Academy of Pediatrics. The American College of Obstetrics and Gynecologists.